Finding the Fourth Proportional to 692,087,429.31, 955,086,607.53 and 394,744,726.27

Step by Step Solution

1. Step 1: Write the proportion equation
   692,087,429.31 : 955,086,607.53 = 394,744,726.27 : x
2. Step 2: Convert to fraction form
   692,087,429.31/955,086,607.53 = 394,744,726.27/x
3. Step 3: Cross multiply
   692,087,429.31x = 955,086,607.53 × 394,744,726.27
4. Step 4: Simplify right side
   692,087,429.31x = 377,015,401,453,572,736
5. Step 5: Solve for x
   x = 377,015,401,453,572,736/692,087,429.31
6. Step 6: Final answer
   x = 544,751,118.84